45643303 has 4 divisors (see below), whose sum is σ = 47217240. Its totient is φ = 44069368.

The previous prime is 45643261. The next prime is 45643307. The reversal of 45643303 is 30334654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45643303 - 2⁹ = 45642791 is a prime.

It is a super-2 number, since 2×45643303² = 4166622217499618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45643307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786925 + ... + 786982.

It is an arithmetic number, because the mean of its divisors is an integer number (11804310).

Almost surely, 2^45643303 is an apocalyptic number.

45643303 is a deficient number, since it is larger than the sum of its proper divisors (1573937).

45643303 is a wasteful number, since it uses less digits than its factorization.

45643303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573936.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 45643303 is about 6755.9827560467. The cubic root of 45643303 is about 357.3762507122.

Adding to 45643303 its reverse (30334654), we get a palindrome (75977957).

The spelling of 45643303 in words is "forty-five million, six hundred forty-three thousand, three hundred three".